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This was after Lee Johnson told the club's official website two weeks ago that: "We have a few offers in for a few free agent players as well."

Since then Eros Pisano has signed but could there be more irons in the 'free transfer' fire?

Here are four men who could be on the radar. They're all goalkeepers as - like many City fans - we see this as the next area of the Robins' squad to strengthen.

1. John Ruddy

Norwich City's John Ruddy (Image: Joe Meredith/JMP)

The 30-year-old has reportedly been in talks with West Ham but the one-cap England international may prefer to go for regular first team football further down the football pyramid.

The Hammers are tipped to make a move for Joe Hart anyway, meaning that the former Norwich goalkeeper may be looking for a new club outside the Premier League.

When City last brought in a veteran England goalkeeper - David James - it didn't work out too well. But that's not to say that it couldn't work with Ruddy, who has plenty of years left in the tank.

2. Anders Lindegaard

Anders Lindegaard at Preston North End (Image: Paul Knight/JMP)

The former Manchester United keeper is 33 and should still be able to cut it at the top level for a few seasons yet. After signing a one-year deal with Preston North End last summer he has now left the Lancastrians on a free after failing to oust Chris Maxwell from the nets at Deepdale.

A punt, following just 10 appearances in all competitions last season, but a free one and might accept a short-term deal.

3. Victor Valdes

Victor Valdes at Middlesbrough (Image: Alex James/JMP)

Has left Middlesbrough and would represent an ambitious target for City. But money and long contracts talk, and Valdes, 35, might be tempted by an extended playing career and stability in the UK.

An experienced player with trophies galore, the former Barcelona keeper could become a great role model for the Robins' younger players to learn from, as regards professionalism and training hard.

4. Shay Given

Shay Given at Stoke City (Image: Matt McNulty/JMP)

Experience is vital in the Championship - just look at the scrap for John Terry's services for a year when surely Marc Roberts of Barnsley looked like better long-term value.

Given, 41, possibly only has a year or two left of top-level football but could provide an experienced head in the dressing room - as well as an established goalkeeping option - as City look to progress.